Fuel burner



Aug. 29, 1933. R FQRNEY I 1,924,400

FUEL BURNER Filed Feb. 1, 1932 2 Sheets-Sheet l f; r 2 20/; I75 l b/"nay Aug. 1933. R FORNEY I 1,924,400

FUEL BURNER Filed Feb. 1, 1932 2 Sheets-Sheet 2 UNITED STATES AT Nn OFFICE FUEL BURNER 7 Ross H. Forney, Dallas, Texi, assignor to Forney Combustion Engineering Company, Dallas, Tex., a corporation of Texas Application February 1, 1932. Serial No. 590,092 claims. ('01. 158

This invention relates to new and useful im 'tion 16 into which is secured the forward end provements in fuel burners. of thetube 13. There are 'certain featuresof the One object of the invention is to provide an imburner head which are very important. The proved burnerof the low pressure type. header is hollow and is of such width. orlength Another object of the invention is to provide. as to "extend substantially entirely across the an improved burner head mounted so as to be frame. The front of theheader is formed with adjusted or tobe removed without disturbing the upwardly and downwardly inclined faces 17, which supporting frame. extend rearwardly from their intersection.

A further object of the invention is to provide Forwardly incli d W g deflectors 130K? I 1 a burner arranged to give amaximum turbulence tend from .the upper and. lower rear edges of the 'with low fuel pressure, p header and the rear side 18' of theheader is Still another object of the invention is to rounded and merged into the deflectors. This arrange the fuel jets or orifices so as to direct the affords maximum deflection and eliminates obfuel at an angle to the air currents, thus making structions which might interfere with the flow 15 for a maximum mixing of gas and air. of the air currents. The deflectors overhang the An important object of the invention is to proa s 17 a d act t fle 0r divert a ti of vide a low pressure burner which will develop a the aircurrents from the flames ignited from maximum efliciency with a, minimum excess of air the fuel supplied through orifices 19 in'said faces. and with substantially no pulsation or vibration. The faces being inclined, t Orifices W ll direct 20 Another object of the invention is to provide the fuel fluid in the general direction of each;

air deflecting means adjacent the fuel orifices deflector. r arranged so as to deflect sufficient of the air cur-. The orifices 9 a e uitab y spaced, and may rents to prevent extinguishing the flame. be a d, as Shown in Figure 3, but t is-is A construction designed to carry out the invenj c o Va a o A low p u as burner 25 tion will be hereinafter described, together with requires fii i n i at the fic to promote 7 other features of the in nti n, combustion, but air currents which are too strong The invention will be more readily understood will l w ut t flames- The d fl s a pr v from a reading of the following specification and Vi d W longitudinal Slots 20 d these P t by reference to the accompanying drawings in the passage Of suflicient air toform a combustible so which an example of the invention is shown, and tu e. r wherein: The gas streams from each face 17 co-act with Figure 1 is'alongitudinal vertical sectional view the v a i d fl cto SO that a maximum of a burner structure and mounting constructed turbulence 0f the a a a is b u t about.

inacoordanoe with the invention, The air which passes forwardly along the rear 3 p 35 Figure 2 is an elevation of the same, I sides of the deflectors and the air which passes .90

Figure 3 is a transverse vertical sectional ,view through the- 0 11111! th the gas, and a more taken on the line 3 3 f Figure 1 or less tumbling effect is produced. The admix- Figure 4 is a side view of the parts shown in ture of air andgas is ejected from the fire open- Figure 1, partly in elevation and partly in section, ing A into the fire box (not shown) of the furnace 4o Figure 5 is a vertical sectional view of the and an fil fi produced- The burner 9 burner head. i by reason of the slidable mounting of the tube 13 In the drawings the numeral 10 designates a in the collar 11 may be adjusted to suit conditions. supporting frame, which is preferably rectangular The rear P 1 10 0f t frame extends from the both in elevation and in cross-section. A frame Ope in AL A Small gas p p 1 nt s the'bottom 45 of this character will fit or maybe readily secured 0f the D J'BCt Ig f ame and extends to a point 10 in the majority of 'fire openings of furnaces with-. below the burner head for supp y gas to a p ot out alteration. The frame is shown as fitting in flame. In the rear frame a pair "of shuttersor the opening A of the furnace wall B. A collar 11 dampers 22 are centrally pivoted on trunnions 23. is supported centrally of the frame by a spider 12 A link 24 is pivoted to ears 25 at one side of the- 5Q and a fuel supply pipe or tube 13 has a snug sliddampers, whereby they may be swung in unison.

ing fit in said collar, so as to be adjusted longi- A 1ever727 is secured to one of the trunnions and tudinally. may. be connected to an automatic regulator. On the inner or forward end of the tube 13 is The dampers are notched at 26 to fit around the mounted a burner head 14. The head includes a tube 13 and the dampers overlap,as shown in u 55 transverse header 15 formed with a central transi- Figure 4, when closed. o

Various changes in the size and shape of the I different parts, as well as modifications and alterations, -may be made within the scope of the appended claims.

Having illustrated and described a' preferred form of the invention, what I claim, is:

' 1 .p A low' press'ur'e "burner head incl'uding "Fan .elongated'header having longitudinal divergent faces provided with orifices, and inclined longitudinal air deflectors overhanging the faces of the header.

'2; A low pressure burner head inoluding 'an elongated header having longitudinal divergent faces provided with orifices-inclined longitudinalair deflectors overhanging the facesof th'e header;

and atransition extending from the central'rea'r portion of the header.

3. In a low pressure fuel burner, an elongated burner head having orifices in its face'fan'dair" deflectors overhanging the head longitudinally thereof for"de fiecti ng"aircurrents above and be low the 'head' longitudinally thereof, said "de'flectors havingair' passages spaceddongitudinally thereof for directing 'air currents, across the head T instreams" 'sp'aced'longitudinall'y of said head.

4. A low "pressure fuel burner comprising, a.

frame, an elongated burner head extending transversely across said frame and provided in its front side with spaced orifices for directing jets of fuel in a general forward direction, and inclined open deflectors extending longitudinally of the burner head above and below the same for deflecting air currentsacross said burner head without concentrating said currents, whereby said air currents are distributed transversely of the frame.

5. A low pressure fuel burner comprising, a;

frame, an elongated burner headextending transversely across said frame and provided on its front side with upwardly and downwardly incliried fac'es extending longitudinally thereof and fdrmed withspacedorifices for directing jets of fuel ina'generalforward direction, and inclined opendeflectors-extending longitudinally of the burner head above and below the same for defleeting-air currents across said burner head with- I 

